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. facilitiee 1n the region. Economic development during end since World War II has been characterized by steady growth in the man_ ufacturing sector, continuance of military activities at the Pueblo Army Ordinanca Depot, and expansion of supporting mercan~ tile and service industries. The major employers of labor In Pueblo ere the Colo_ rado fuel and Iron Corporation, Pueblo Ordinanoe Depot, end the Colorado State Hospital. Manufacturing extends to the following' food end kindred products; lumber and wood items; furniture end fixtures; printing and publishing; chemical products; stone, clay, end gless products; primary metal industries end fabricated metal products including machinery; end other types. The U.S. Bureau of the Census reported a population of 91,18L in urban Pueblo snd 116,707 in Pueblo County 1n the year 1960. Estimated 1969 populations according to the Colorado Budget Department were 106,600 end 124,500, respectively, in the city and county. , . f lood D~",~Q" Pr"v"ntion ~leasures 80th structural flood protection works snd nonstruc- turalflooddamage,reduction..aas"reshavebeenemployedinPueblo's continuing ~fforts to prev~nt or reduce recurring flood lassos. Most of the Channel improvements and levee construction work has been on the Arkansas River main stem and fountain Creek, but some has extended into the lower reaches of Wild Korse-Dry Creek and Dry Creek n~ar their mouths On the Arkansas River. As a major project, the Arkansas River floodwaywas constructed by the Pueblo Conservanoy District in 1924_25 to provide flood protec- tion to the city frcmflows up to 110,000 cubic feet per second. In August 1963 and January 1967, the Board of Pueblo County Commissioners adopted a zoning resolution which esteblished standards to govern development in specified epeciel flood plain districts elong fountain Creek, Dry Creok, Wild Horse_Dry Creek, . , and the Arkansas River. In february 1968, the Pueble City Ceun- cil passed a similar zoning ordinanoe to serve the needs of the city. As a result of the earlier flood plain information reports furnished by the Corps on fountain Creek (October 1968) and on Goodnight Arroyo, Dry Creek, and Wild Horse_Dry Creek (April 1969), the flood pleins thus defined are now reflected in Pueble's comprehensive land use plans which include basic crite- ria for effective flood plain management in the future. Also, the acquirem~nt of right-of_way for floodway needs is in progress. Additional flood control measures in thePueblovioin_ ity have been proposed in the Corps of Engineers' "Report on Re- view 5urv~y for flood Control and Allied Purposes _ Arkansas Aiver and Tributaries abov~ John martin Ca"" Colorado." flood Warnin" and forecastino Services The Environmental Science Services Administration (ESSA) Weather Bureau provides no specific flood forecaste for tributary stream. ef the Arkansas River in the Pueblo region. The technology of accurate river and flood forecasting is dependent upon adequate end timely rainfell and river stage date, and it is even mora essential that such basic data be available, particularly rainfall r~ports, for areas subject to flash flooding. Current funding restraints prevent Weather Bureau operation of th~ rela_ tively dense networks raquired. At pres~nt, the principel eervice the Weather Burea" Can provide is a general alert to the dang~r of flash flooding 00 the St. Charles River. This is done by means of forecasts of approaohing storm systems Or rader detection of imminent Or occurring h~evy rainfall. The capability of the ex- isting rader ~t Pueblo ie limited to storm detection and tracking. Until this facility is improved, the evaluation of rainfall po- tential, accumulation, and intensity must depend upon immediate rcpo~ts f~om oo-the-spot observers. 9